Novel forming process for commutator segments of commutator

Abstract

The invention discloses a novel forming process of commutator segments of a commutator. A bakelite base is included, a hollow cylinder is arranged in the bakelite base, and the commutator segments arefixedly embedded in an outer side surface of the bakelite base. Right-angle heads are fixedly connected to end heads of back sides of the commutator segments, arc-shaped hoop grooves are formed in two sides of outer surfaces of the commutator segments, long-strip dovetail grooves are formed in middle positions of inner side surfaces of the commutator segments, long-strip dovetail strips are arranged on outer side surfaces of the bakelite base, outer surfaces of the long-strip dovetail strips are fixedly clamped in inner side surfaces of the long-strip dovetail grooves, and isolation empty grooves are formed in surfaces of two sides of outer parts of the commutator segments. The long-strip dovetail grooves are processed in a bottom, then the injection molding is carried out to form the bakelite base, meanwhile, the overall structural strength can be improved, separation and falling are avoided, meanwhile, the arc-shaped hoop grooves are formed through turning, hoops can be clamped andpositioned, the loosening is avoided, in this way, the safety and efficiency of formation can be greatly improved, and the product quality is guaranteed.

Description

technical field [0001] The invention relates to the field of commutator technology, in particular to a novel molding process for a commutator segment. Background technique [0002] The commutator is used as a current commutation on DC motors and AC series motors. In order to allow the motor to continue to rotate, it is commonly known as a commutator. The commutator is a circle surrounded by several contact pieces, which are respectively connected to the rotor. For each contact, the two electrodes connected outside are called brushes, and only two of them are in contact at the same time. [0003] However, the existing commutator and commutator segments are relatively complex in structure, which is not conducive to processing and forming. At the same time, the composite structure of the commutator segment is poor in stability, easy to separate and fall off, and the use effect is not ideal. A new structure needs to be proposed to improve the forming method and the structural p...

AI Technical Summary

Problems solved by technology

[0003] However, the existing commutator and commutator segments are relatively complex in structure, which is not conducive to processing and forming. At the same time, the composite structure of the commutator segment is poor in stability, easy to separate and fall off, and the use effect is not ideal. A new structure needs to be proposed to improve the forming methods and structural properties of finished products

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